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The mass of one washer is 1.
The weight Of one washer is .2(n)
The spring got longer and tighter.
It pulls them down.
I learned the more mass= more weight
Article posted April 26, 2012 at 09:09 AM •
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your blog is good BUT i think you should make it into sentences
Comment Posted on April 30, 2012 at 03:12 PM by
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